Ali,
Again, hard to say without looking at the project. I suspect that this is related to the controls problems that you mentioned in your other email.
kind regards,
David
Dear TRNSYS users,
Hi,
I’ve put a psychrometrics component (type 33C – Dry bulb and Humidity ratio known) at the outlet of a solar collector (type 539 or type 566) to correct the outlet air state.
I’ve connected the air humidity ratio at the fan outlet (before the collector) to the air humidity ratio input of type 33c. However, I’ve faced the following error:
TRNSYS Message 118 : The subroutine SAT of the utility routine PSYCHROMETRICS, which calculates the thermodynamic properties of moist air, has been called with a temperature below absolute zero (-273 C). Please check the TYPE routine which calls the psychrometrics routine for possible sources of errors.
I would appreciate it if someone could help me in this case.
Thanks in advance,
Ali
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-- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 3 North Pinckney Street - suite 202 Madison, WI 53703 USA P:+1.608.274.2577 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com